Added ogfx::Image class

CMakeLists.txt

@@ -59,6 +59,7 @@ list(APPEND OGFX_SOURCE_FILES
 	${CMAKE_CURRENT_LIST_DIR}/src/ogfx/WindowBase.cpp
 	${CMAKE_CURRENT_LIST_DIR}/src/ogfx/BasicRenderer.cpp
 	${CMAKE_CURRENT_LIST_DIR}/src/ogfx/RawTextInput.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/src/ogfx/Image.cpp
 )
 list(APPEND TEST_SOURCE_FILES
 	${CMAKE_CURRENT_LIST_DIR}/src/test.cpp
@@ -88,7 +89,7 @@ if (UNIX)
 	target_link_libraries(${OMNIA_STD_LIB} PUBLIC tinfo boost_regex)
 	target_link_libraries(${OMNIA_GFX_LIB} PUBLIC xcb xcb-randr)
 endif (UNIX)		
-target_link_libraries(${OMNIA_GFX_LIB} PUBLIC SDL2main SDL2 SDL2_gfx SDL2_ttf)
+target_link_libraries(${OMNIA_GFX_LIB} PUBLIC SDL2main SDL2 SDL2_gfx SDL2_ttf SDL2_image)
 target_link_libraries(${OMNIA_STD_LIB} PUBLIC ssl crypto)
 #-----------------------------------------------------------------------------------------
 

build.nr

@@ -1 +1 @@
-1883
+1885

src/ogfx/BasicRenderer.cpp

@@ -1,6 +1,6 @@
 #include "BasicRenderer.hpp"
 #include "WindowBase.hpp"
-#include <SDL2/SDL2_gfxPrimitives.h>
+#include "SDLInclude.hpp"
 
 namespace ogfx
 {
@@ -23,6 +23,18 @@ namespace ogfx
 		m_ttfr.setFontSize(fontSize);
 	}
 
+    void BasicRenderer2D::drawImage(const ogfx::Image& image, const ostd::Vec2& position)
+    {
+        if (!m_initialized) return;
+        if (!image.isLoaded()) return;
+        SDL_Rect texr;
+        texr.x = position.x;
+        texr.y = position.y;
+        texr.w = image.getSize().x;
+        texr.h = image.getSize().y; 
+        SDL_RenderCopy(m_window->getSDLRenderer(), image.getSDLTexture(), nullptr, &texr);
+    }
+
 	void BasicRenderer2D::drawString(const ostd::String& str, const ostd::Vec2& position, const ostd::Color& color, int32_t fontSize)
 	{
 		if (!m_initialized) return;

src/ogfx/BasicRenderer.hpp

@@ -2,6 +2,7 @@
 
 #include <ogfx/FontUtils.hpp>
 #include <ostd/Geometry.hpp>
+#include <ogfx/Image.hpp>
 
 namespace ogfx
 {
@@ -19,6 +20,8 @@ namespace ogfx
 			void setFont(const ostd::String& fontFilePath);
 			void setFontSize(int32_t fontSize);
 
+            void drawImage(const ogfx::Image& image, const ostd::Vec2& position);
+
 			void drawString(const ostd::String& str, const ostd::Vec2& position, const ostd::Color& color, int32_t fontSize = 0);
 			void drawCenteredString(const ostd::String& str, const ostd::Vec2& center, const ostd::Color& color, int32_t fontSize = 0);
 

src/ogfx/Image.cpp

@@ -0,0 +1,28 @@
+#include "Image.hpp"
+#include <SDL2/SDL_render.h>
+#include <ogfx/BasicRenderer.hpp>
+#include <ogfx/WindowBase.hpp>
+
+namespace ogfx
+{
+    void Image::destroy(void)
+    {
+        SDL_DestroyTexture(m_sdl_texture);
+        m_loaded = false;
+        m_sdl_texture = nullptr;
+        m_width = 0;
+        m_height = 0;
+    }
+
+    Image& Image::loadFromFile(const ostd::String& filePath, BasicRenderer2D& gfx)
+    {
+        if (!gfx.isInitialized())
+            return *this;  //TODO: Error
+        m_sdl_texture = IMG_LoadTexture(gfx.getWindow().getSDLRenderer(), filePath.c_str());
+        SDL_QueryTexture(m_sdl_texture, nullptr, nullptr, &m_width, &m_height);
+        m_loaded = true;
+        setTypeName("ogfx::Image");
+        validate();
+        return *this;
+    }
+}

src/ogfx/Image.hpp

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <ostd/BaseObject.hpp>
+#include <ogfx/SDLInclude.hpp>
+#include <ostd/Geometry.hpp>
+
+namespace ogfx
+{
+    class BasicRenderer2D;
+    class Image : public ostd::BaseObject
+    {
+        public:
+            inline Image(void) { invalidate(); }
+            inline Image(const ostd::String& filePath, BasicRenderer2D& gfx) { loadFromFile(filePath, gfx); }
+            inline ~Image(void) { destroy(); }
+            void destroy(void);
+            Image& loadFromFile(const ostd::String& filePath, BasicRenderer2D& gfx);
+            inline ostd::IPoint getSize(void) const { return { m_width, m_height }; } 
+            inline bool isLoaded(void) const { return m_loaded; }     
+            inline SDL_Texture* getSDLTexture(void) const { return m_sdl_texture; }
+
+        private:
+            SDL_Texture* m_sdl_texture { nullptr };
+            int32_t m_width { 0 };
+            int32_t m_height { 0 };
+            bool m_loaded { false };
+    };
+}

src/ogfx/SDLInclude.hpp

@@ -8,3 +8,4 @@
 #include <SDL2/SDL.h>
 #include <SDL2/SDL2_gfxPrimitives.h>
 #include <SDL2/SDL_ttf.h>
+#include <SDL2/SDL_image.h>